The DWC-100 is a Door/Window contact that can be installed on doors, windows, and any other objects that open and close. The sensor transmits signals to the control planel when a magnet mounted near the sensor is moved away. External input for wired accessory is available at the N/C interface. The tamper protection ensures that sabotage attempts to move the contact with result in an alarm activation. It consists of digital dual-core fuzzy logic infrared control chip and intelligent analysis which effectively signals and reduce fales alarm rate. With automatic temperature compensation and anti-air turbulence technology, it easily adapts to environmental changes. The detector also has the advantages of energy saving, reliability and easy installation.